CVE-2026-44937

SUSE Rancher Fleet had an Unauthenticated Webhook: Regex Injection via Unsanitized Repository URL Components

State: Published
Severity: 8.3 High
Published: Jul 6, 2026
Updated: Jul 6, 2026
Reserved: May 8, 2026

Description

Potential forgery of webhook requests when using a unauthenticated webhook in SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.5 could be used by remote attackers to cause a denial of service or a downgrade attack on other repositories on the system.

Scores

CVSS	Score	Vector	Source
4.0	8.3 High	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N	suse

Weaknesses

CWE-918 Server-Side request forgery (SSRF)

Affected Products

Product	Versions
RancherSUSE	0.15.0 to before 0.15.2Affected 0.14.0 to before 0.14.6Affected 0.13.0 to before 0.13.11Affected 0.12.0 to before 0.12.15Affected

References

https://github.com/rancher/fleet/security/advisories/GHSA-jmf4-m7j9-g72rvendor-advisory

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